MESON Chess Problem Database
Problem Display
PID: 141732 (2b5/1p1nN3/r3RPR1/6pr/1pQPNk1p/qnp4K/4PPB1/2b5 w - - 0 1)
de Haas, Bastian Evert
1st Comm., 08. Kwik-Toernooi, 1977
#2
11 + 13
| 102 | Probleemblad | 1977 |
SOLUTION
- SOUND
- Sets
- 1...Bb2
- 2.e3#
- 1...Sd2
- 2.e3#
- 1...Sb6
- 2.Qc7#
- 1...Sxf6
- 2.Rxf6#
- 1...g4+
- 2.Rxg4#
- 1...Bb2
- Tries
- 1.Sd2?
- threat
- 2.Re4#
- 2.e3#
- 1...g4+
- 2.Rxg4#
- 1...Bxd2
- 2.Re4#
- 1...Sxd2
- 2.e3#
- 1...Sxf6
- 2.Rxf6#
- 2.e3#
- 1...Sbc5
- 2.e3#
- 2.dxc5#
- 1...Sdc5
- 2.e3#
- 1...Se5
- 2.e3#
- 1...Sb6
- 2.Qc7#
- 2.e3#
- 1...Sb8
- 2.e3#
- 1...Sf8
- 2.e3#
- 1...Rxe6!
- threat
- 1.Sg3?
- threat
- 2.Sxh5#
- 2.Sd5#
- 2.Re4#
- 1...g4+
- 2.Rxg4#
- 1...Rxe6
- 2.Sxh5#
- 2.Sd5#
- 1...Sxf6
- 2.Rxf6#
- 1...Qa5
- 2.Sxh5#
- 2.Re4#
- 1...Rh6
- 2.Sd5#
- 2.Re4#
- 1...Rh7
- 2.Sd5#
- 2.Re4#
- 1...Rh8
- 2.Sd5#
- 2.Re4#
- 1...Ra5
- 2.Sxh5#
- 2.Re4#
- 1...Rd6
- 2.Sxh5#
- 2.Re4#
- 1...Sd2
- 2.Sxh5#
- 2.Sd5#
- 2.e3#
- 1...Sbc5
- 2.Sxh5#
- 2.Sd5#
- 2.dxc5#
- 1...Sdc5
- 2.Sxh5#
- 2.Sd5#
- 1...Se5
- 2.Sxh5#
- 2.Sd5#
- 1...Sb6
- 2.Sxh5#
- 2.Qc7#
- 1...Sb8
- 2.Sxh5#
- 2.Sd5#
- 1...Sf8
- 2.Sxh5#
- 2.Sd5#
- 1...hxg3+!
- threat
- 1.Sd6?
- threat
- 2.Sd5#
- 2.Re4#
- 1...g4+
- 2.Rxg4#
- 1...Rxd6
- 2.Re4#
- 1...Sxf6
- 2.Rxf6#
- 1...Qa5
- 2.Re4#
- 1...Ra5
- 2.Re4#
- 1...Sd2
- 2.Sd5#
- 2.e3#
- 1...Sbc5
- 2.Sd5#
- 2.dxc5#
- 1...Sdc5
- 2.Sd5#
- 1...Se5
- 2.Sd5#
- 1...Sb8
- 2.Sd5#
- 1...Sf8
- 2.Sd5#
- 1...Sb6!
- threat
- 1.Rxg5?
- threat
- 2.Sd5#
- 2.Sg6#
- 2.Rg4#
- 1...Sxf6
- 2.Sg6#
- 1...Qa5
- 2.Sg6#
- 2.Rg4#
- 1...Rh6
- 2.Sd5#
- 2.Rg4#
- 2.Rf5#
- 1...Ra5
- 2.Sg6#
- 2.Rg4#
- 1...Rd6
- 2.Sg6#
- 2.Rg4#
- 1...Se5
- 2.Sd5#
- 1...Sb6
- 2.Sg6#
- 2.Rg4#
- 2.Qc7#
- 1...Sf8
- 2.Sd5#
- 2.Rg4#
- 1...Rxg5!
- threat
- 1.Qc7+?
- 1...Se5
- 2.Qxe5#
- 1...Rd6!
- 1...Se5
- 1.Sd2?
- Keys
- 1.Sxc3!
- threat
- 2.Scd5#
- 2.Re4#
- 1...g4+
- 2.Rxg4#
- 1...Rxe6
- 2.Scd5#
- 1...Sxd4
- 2.Re4#
- 2.Qxd4#
- 1...Sxf6
- 2.Rxf6#
- 1...bxc3
- 2.Re4#
- 1...Qa5
- 2.Re4#
- 1...Ra5
- 2.Re4#
- 1...Rd6
- 2.Re4#
- 1...Sa1
- 2.Re4#
- 2.d5#
- 1...Sd2
- 2.e3#
- 1...Sa5
- 2.Re4#
- 1...Sbc5
- 2.dxc5#
- 1...Sdc5
- 2.Scd5#
- 1...Se5
- 2.Scd5#
- 1...Sb6
- 2.Qc7#
- 1...Sb8
- 2.Scd5#
- 1...Sf8
- 2.Scd5#
- threat
- 1.Sxc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 11
- REMOVED MATES = 1
- Sets
- B(a);N_GUARD::P(A)
- S(c);S_CUTB(a)::P(A)
- S(l);N_GUARD,P_PINR(H),S_CUTR(j)::QAB(E)
- S(l);OGATE,P_PINR(H),XP(I)::R(J),XS(l)
- P(h);CHECK,OGATE::R1(J),XP(h)
- Tries
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- P(h);CHECK,OGATE::R1(J),XP(h)
- B(a);XS(G)::R1(H)
- S(c);XS(G)::P(A)
- S(l);P_PINR(H)::P(A)
- Refutation
- R(j);XR(H)
- Try
- S(G);
- Threat
- DUALS(3)
- Vars
- P(h);CHECK,OGATE::R1(J),XP(h)
- S(l);OGATE,P_PINR(H),XP(I)::R(J),XS(l)
- Refutation
- P(g);CHECK,XS(G)
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- P(h);CHECK,OGATE::R1(J),XP(h)
- R(j);XS(G)::R1(H)
- S(l);OGATE,P_PINR(H),XP(I)::R(J),XS(l)
- Q(b);::R1(H)
- R(j);::R1(H)
- S(l);P_PINR(H)::S(K)
- Refutation
- S(l);P_PINR(H)
- Try
- R(J);XP(h)
- Threat
- DUALS(3)
- Vars
- S(l);P_PINR(H),XP(I)::S(K)
- S(l);P_PINR(H)::S(K)
- Refutation
- R(i);XR(J)
- Try
- Q(E);CHECK
- Vars
- S(l);N_GUARD,P_PINR(H),P_SPINS(l)::QAB1(E),XS(l)
- Refutation
- R(j);P_SPINR(j)
- Try
- Actual
- S(G);XP(d)
- Threat
- DUALS(2)
- Vars
- P(h);CHECK,OGATE::R1(J),XP(h)
- R(j);XR(H)::S(G)
- S(l);OGATE,P_PINR(H),XP(I)::R(J),XS(l)
- P(e);XS(G)::R1(H)
- Q(b);::R1(H)
- R(j);::R1(H)
- S(c);P_PINS(G),S_CUTB(a)::P(A)
- S(c);P_PINS(G)::R1(H)
- S(c);OGATE,P_PINS(G)::QAR(E)+P(F),XS(c)
- S(l);P_PINR(H)::S(G)
- S(l);N_GUARD,P_PINR(H),S_CUTR(j)::QAB(E)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).